package com.ly.common.utils;

import com.ly.common.constant.HttpStatus;
import com.ly.common.core.domain.model.LoginUser;
import com.ly.common.exception.CustomException;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;

import javax.annotation.Resource;

/**
 * 安全服务工具类
 *
 * @author ly
 */
public class SecurityUtils {

    private static RedisTemplate redisTemplate;

    @Resource
    public void setRedisTemplate(RedisTemplate template) {
        redisTemplate = template;
    }

    /**
     * 获取用户账户
     **/
    public static String getUsername () {
        try {
            return getLoginUser ().getUsername ();
        } catch ( Exception e ) {
            throw new CustomException ( "获取用户账户异常", HttpStatus.UNAUTHORIZED );
        }
    }

    /**
     * 获取用户账户
     **/
    public static String getNickName () {
        try {
            return getLoginUser ().getUser ().getNickName ();
        } catch ( Exception e ) {
            throw new CustomException ( "获取用户账户异常", HttpStatus.UNAUTHORIZED );
        }
    }

    /**
     * 获取用户
     **/
    public static LoginUser getLoginUser () {
        try {
            return ( LoginUser ) getAuthentication ().getPrincipal ();
        } catch ( Exception e ) {
            throw new CustomException ( "获取用户信息异常", HttpStatus.UNAUTHORIZED );
        }
    }

    /**
     * 获取Authentication
     */
    public static Authentication getAuthentication () {
        return SecurityContextHolder.getContext ().getAuthentication ();
    }

    /**
     * 生成BCryptPasswordEncoder密码
     *
     * @param password 密码
     * @return 加密字符串
     */
    public static String encryptPassword ( String password ) {
        BCryptPasswordEncoder passwordEncoder = new BCryptPasswordEncoder ();
        return passwordEncoder.encode ( password );
    }

    /**
     * 判断密码是否相同
     *
     * @param rawPassword     真实密码
     * @param encodedPassword 加密后字符
     * @return 结果
     */
    public static boolean matchesPassword ( String rawPassword, String encodedPassword ) {
        BCryptPasswordEncoder passwordEncoder = new BCryptPasswordEncoder ();
        return passwordEncoder.matches ( rawPassword, encodedPassword );
    }

    /**
     * 是否为管理员
     *
     * @param userId 用户ID
     * @return 结果
     */
    public static boolean isAdmin ( String userId ) {
        return userId != null && userId != "" && "1".equals ( userId );
    }



}
